In this clip from “Model Misbehavior” (Family Guy Season 4), we see the “Four Peters” performing ““Eine Kleine Nachtmusik” by Mozart. Actually, they (he?) don’t do too bad a job. This clip stemmed from Lois talking about how she always felt like she missed out on life by not following her dreams of a modeling career, and Peter decides to jump in and mention that he missed out on a stellar career with “The Four Peters.”
Here’s the clip:
Just for fun, here’s a ton of Peter Griffin music. Because I know this is exactly what you were wanting to listen to, right?